Roofing shingles calculator
Roofing Shingles Calculator — Bundle Count + Ridge Cap + Starter Strip (2026)
How many shingle bundles do I need? Inputs roof footprint area (sq ft), pitch factor (flat, 6/12, 8/12, 12/12), waste %, and optional $/bundle. Outputs shingle bundles, ridge cap bundles, starter strip bundles, and a one-line cost.
Inputs
sq ft
%
$
Shingle order
Enter a roof footprint area above to see shingle bundles plus ridge cap and starter strip counts.
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